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Finding the Fourth Proportional to 23.85, 35.74 and 16.23

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Solution

The fourth proportional to 23.85, 35.74 and 16.23 is: 24.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.85 : 35.74 = 16.23 : x
  2. Step 2: Convert to fraction form
    23.85/35.74 = 16.23/x
  3. Step 3: Cross multiply
    23.85x = 35.74 × 16.23
  4. Step 4: Simplify right side
    23.85x = 580.06
  5. Step 5: Solve for x
    x = 580.06/23.85
  6. Step 6: Final answer
    x = 24.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.